<!DOCTYPE html>
<html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />    
    </head>    
    <body>
        <img src='skl.jpg' onclick="alert('我是屎壳郎')"><br>
        请输入你的密码：<input type = "text"><br>
        <input type="button" value="登陆">
    </body>    
</html>